Mitsubishi Electric LGH-200RVXT-E Technical Manual page 4

LGH-250RVXT-E
Background noise
Measurement site
Operation conditions
Power supply
90
85
80
75
70
65
60
55
50
45
40
35
30
25
20
15
10
Measurement point
Unit (View from side)
1.5 m
: 25 dB or less (A range)
: Anechoic chamber
: Energy recovery ventilation
: Single phase 230V, 50Hz
Fan speed 4
Fan speed 3
Fan speed 2
Fan speed 1
NC-70
NC-60
NC-50
NC-40
NC-30
Octave band freaquency center (Hz)
Measurement point
Background noise
Measurement site
Operation conditions
Power supply
90
85
80
75
70
65
60
55
50
45
40
35
30
25
20
15
10
( 4 / 14 )
: 25 dB or less (A range)
: Anechoic chamber
: Bypass ventilation
: Single phase 230V, 50Hz
Fan speed 4
Fan speed 3
Fan speed 2
Fan speed 1
NC-70
NC-60
NC-50
NC-40
NC-30
Octave band freaquency center (Hz)
N15HHGT0033